Browse Bridge Database
12,684 bridges in the FHWA National Bridge Inventory in Louisiana.
National Bridge Inventory Database
Browse 12,684 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| BAYOU DELPUENTE | Louisiana | Good | 1983 | 45.7 m | 403 |
| DUTCHMAN CREEK | Louisiana | Fair | 1962 | 30.5 m | 403 |
| STUBBS CREEK | Louisiana | Good | 2002 | 18.0 m | 403 |
| CREEK | Louisiana | Good | 1986 | 34.7 m | 402 |
| DRAIN | Louisiana | Fair | 1978 | 10.4 m | 402 |
| Murphy Canal | Louisiana | Good | 2020 | 29.0 m | 400 |
| MAGELLAN CANAL | Louisiana | Good | 1988 | 17.4 m | 400 |
| MAGELLAN CANAL | Louisiana | Good | 1988 | 17.4 m | 400 |
| MAGELLAN CANAL | Louisiana | Good | 1988 | 17.4 m | 400 |
| MAGELLAN CANAL | Louisiana | Good | 1988 | 17.4 m | 400 |
| MAGELLAN CANAL | Louisiana | Good | 1990 | 17.4 m | 400 |
| EDITH COULEE | Louisiana | Fair | 1986 | 17.4 m | 400 |
| DE POCHES COULEE | Louisiana | Poor | 1978 | 23.2 m | 400 |
| MINE BRANCH COULEE | Louisiana | Good | 1970 | 6.4 m | 400 |
| GASTON COULEE | Louisiana | Fair | 1984 | 11.9 m | 400 |
| Drainage Bayou | Louisiana | Fair | 1973 | 11.6 m | 400 |
| BAYOU BOURBEUX | Louisiana | Fair | 1978 | 17.4 m | 400 |
| BAYOU BOURBEUX | Louisiana | Good | 1997 | 45.7 m | 400 |
| BAYOU BOURDEAUX | Louisiana | Good | 1987 | 9.1 m | 400 |
| Bayou Plaquemine Brule | Louisiana | Good | 1994 | 40.5 m | 400 |
| COULEE | Louisiana | Fair | 2012 | 18.3 m | 400 |
| COULEE | Louisiana | Good | 2012 | 7.3 m | 400 |
| COULEE | Louisiana | Good | 1996 | 23.2 m | 400 |
| MUDDY CREEK | Louisiana | Good | 2001 | 30.5 m | 400 |
| TOULON BAYOU | Louisiana | Fair | 1963 | 54.9 m | 400 |
| Spring Branch | Louisiana | Fair | 1999 | 17.4 m | 400 |
| Dry Cypress Bayou | Louisiana | Fair | 2005 | 8.2 m | 400 |
| Caney Creek | Louisiana | Good | 2024 | 30.5 m | 400 |
| TRIBUTARY TO BLACK BAYOU | Louisiana | Fair | 1997 | 6.7 m | 400 |
| TRIBUTARY TO MILE CREEK | Louisiana | Fair | 1930 | 6.4 m | 400 |
| STALKINGHEAD CREEK | Louisiana | Good | 1988 | 23.2 m | 400 |
| BENNET BAYOU | Louisiana | Fair | 2011 | 11.3 m | 400 |
| YOUNGS BAYOU | Louisiana | Fair | 1982 | 46.6 m | 400 |
| Airport Canal | Louisiana | Good | 1965 | 27.7 m | 400 |
| DRY FORK CUT-OFF | Louisiana | Good | 2005 | 24.1 m | 400 |
| COW BAYOU | Louisiana | Good | 2003 | 24.4 m | 400 |
| Little Colewa Bayou | Louisiana | Good | 2022 | 18.3 m | 400 |
| GRAND MARAIS BAYOU | Louisiana | Fair | 1999 | 34.7 m | 400 |
| JOHNSON BAYOU | Louisiana | Good | 2009 | 6.4 m | 400 |
| BAYOU ROUGE | Louisiana | Fair | 2011 | 6.7 m | 400 |
| BAYOU DES GLAISES | Louisiana | Fair | 1985 | 44.2 m | 400 |
| FLAGON BAYOU | Louisiana | Good | 1997 | 23.2 m | 400 |
| BAYOU RAPIDES | Louisiana | Good | 2010 | 42.7 m | 400 |
| TORO CREEK | Louisiana | Good | 1992 | 29.0 m | 400 |
| CREOSOTE BRANCH | Louisiana | Fair | 1985 | 7.9 m | 400 |
| DRAINAGE BAYOU | Louisiana | Fair | 1970 | 11.6 m | 400 |
| WARD CREEK | Louisiana | Fair | 1960 | 9.4 m | 400 |
| Port Allen Lock | Louisiana | Poor | 1966 | 38.4 m | 400 |
| WEST COLYELL CREEK | Louisiana | Good | 1993 | 34.7 m | 400 |
| CREEK | Louisiana | Fair | 1960 | 9.4 m | 400 |
Frequently Asked Questions
The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.
ADT stands for Average Daily Traffic, the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.
Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.